摘要
43.05. History;43.10. General;43.15. Standards;43.20. General linear acoustics;43.25. Nonlinear acoustics;43.28. Aeroacoustics and atmospheric sound;43.30. Underwater sound;43.35. Ultrasonics,quantum acoustics, and physical effects of sound;43.38. Transduction, acoustical devices for the generation and reproduction of sound.
